Ginette Harrison (28 February 1958-24 October 1999) was a professional climber of British origin. She also lived in Australia and the United States.

She studied medicine at the University of Bristol and later specialized in high altitude medicine. At age 25 she climbed Denali, the highest mountain in North America. It was the first of her series of climbs of the highest peaks on all seven continents, which included Mount Everest on October 7, 1993, making her only the second British woman to summit, after Rebecca Stephens. The series was completed in 1995.

Her greatest feat was climbing the Kangchenjunga by its north face on 18 May 1998.

She was married to Gary Pfisterer, whom she met on her expedition to Mount Everest.

She died under an avalanche when climbing Dhaulagiri.